<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>span元素的使用</title>
  <style>
    span:nth-child(2) {
      font-size: 50px;
      color: brown;
    }

    span:nth-child(3) {
      font-size: 20px;
      text-decoration: line-through;
    }
  </style>
</head>

<body>
  <!-- span主要作用是将文本进行归类 -->
  <span>我是一句话</span>
  <span>你好，vue.js</span>

  <!-- 
    显示价格
   -->
  <p>
    <b>价格为:</b><span>69</span><span>99</span>
  </p>
</body>

</html>